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Finding the Fourth Proportional to 27,348.88, 37,734.82 and 15,412.22

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Solution

The fourth proportional to 27,348.88, 37,734.82 and 15,412.22 is: 21,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,348.88 : 37,734.82 = 15,412.22 : x
  2. Step 2: Convert to fraction form
    27,348.88/37,734.82 = 15,412.22/x
  3. Step 3: Cross multiply
    27,348.88x = 37,734.82 × 15,412.22
  4. Step 4: Simplify right side
    27,348.88x = 581,577,347.50
  5. Step 5: Solve for x
    x = 581,577,347.50/27,348.88
  6. Step 6: Final answer
    x = 21,265.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.